1023003112 has 16 divisors (see below), whose sum is σ = 1932133860. Its totient is φ = 507767424.

The previous prime is 1023003083. The next prime is 1023003119. The reversal of 1023003112 is 2113003201.

It can be written as a sum of positive squares in 2 ways, for example, as 945316516 + 77686596 = 30746^2 + 8814^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1023003092 and 1023003101.

It is not an unprimeable number, because it can be changed into a prime (1023003119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465603 + ... + 467794.

Almost surely, 2^1023003112 is an apocalyptic number.

It is an amenable number.

1023003112 is a deficient number, since it is larger than the sum of its proper divisors (909130748).

1023003112 is a wasteful number, since it uses less digits than its factorization.

1023003112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933540 (or 933536 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1023003112 is about 31984.4198321620. The cubic root of 1023003112 is about 1007.6096503383.

Adding to 1023003112 its reverse (2113003201), we get a palindrome (3136006313).

The spelling of 1023003112 in words is "one billion, twenty-three million, three thousand, one hundred twelve".